Attachable watercraft chair



FIG. 1 shows a perspective view of an attachable watercraft chair,

FIG. 2 shows a front view of the attachable watercraft chair;

FIG. 3 shows a rear view of the attachable watercraft chair;

FIG. 4 shows a right side view of the attachable watercraft chair;

FIG. 5 shows a left side view of the attachable watercraft chair;

FIG. 6 shows a top plan view of the attachable watercraft chair; and,

FIG. 7 shows a bottom plan iew of the attachable watercraft chair.

The shade lines in the Figures show contour and not surface ornamentation.

The broken lines shown in the Figures show portions of the attachable watercraft chair device which form no part of the claimed design. 

CLAIM The ornamental design for an attachable watercraft chair, as shown and described. 